package com.heima.admin.service.impl;

import com.baomidou.mybatisplus.core.conditions.query.LambdaQueryWrapper;
import com.baomidou.mybatisplus.core.metadata.IPage;
import com.baomidou.mybatisplus.core.toolkit.Wrappers;
import com.baomidou.mybatisplus.extension.plugins.pagination.Page;
import com.baomidou.mybatisplus.extension.service.impl.ServiceImpl;
import com.heima.admin.mapper.AdSensitiveMapper;
import com.heima.admin.service.AdSensitiveService;
import com.heima.model.admin.dtos.SensitiveDto;
import com.heima.model.admin.pojo.AdSensitive;
import com.heima.model.common.dtos.PageResponseResult;
import com.heima.model.common.dtos.ResponseResult;
import com.heima.model.common.enums.AppHttpCodeEnum;
import org.apache.commons.lang3.StringUtils;
import org.springframework.stereotype.Service;

import java.util.Date;

@Service
public class AdSensitiveServiceImpl extends ServiceImpl<AdSensitiveMapper, AdSensitive> implements AdSensitiveService {
    @Override
    public ResponseResult list(SensitiveDto dto) {
        //检查数据
        if (dto == null) {
            return ResponseResult.errorResult(AppHttpCodeEnum.PARAM_INVALID);
        }
        dto.checkParam();
        //执行查询操作
        IPage iPage = new Page(dto.getPage(), dto.getSize());
        LambdaQueryWrapper<AdSensitive> queryWrapper = Wrappers.<AdSensitive>lambdaQuery();
        if (StringUtils.isNotBlank(dto.getName())) {
            queryWrapper.like(AdSensitive::getSensitives, dto.getName());
        }
        IPage<AdSensitive> pageResult = page(iPage, queryWrapper);
        //封装为PageResponseResult返回结果
        PageResponseResult pageResponseResult = new PageResponseResult(dto.getPage(), dto.getSize(), pageResult.getTotal(), pageResult.getRecords());

        return pageResponseResult;
    }

    @Override
    public ResponseResult insert(AdSensitive adSensitive) {
        //检查参数
        if (adSensitive == null || StringUtils.isBlank(adSensitive.getSensitives())) {
            return ResponseResult.errorResult(AppHttpCodeEnum.PARAM_INVALID);
        }
        //查询敏感词是否已存在
        int count = count(Wrappers.<AdSensitive>lambdaQuery().eq(AdSensitive::getSensitives, adSensitive.getSensitives()));
        if (count > 0) {
            return ResponseResult.errorResult(AppHttpCodeEnum.DATA_EXIST, "该敏感词已存在");
        }
        //执行添加操作
        adSensitive.setCreatedTime(new Date());
        save(adSensitive);
        //返回结果
        return ResponseResult.okResult();
    }

    @Override
    public ResponseResult update(AdSensitive adSensitive) {
        //检查参数
        if (adSensitive == null || adSensitive.getId() == null || StringUtils.isBlank(adSensitive.getSensitives())) {
            return ResponseResult.errorResult(AppHttpCodeEnum.PARAM_INVALID);
        }
        //根据id查询敏感词
        AdSensitive newSensitive = getById(adSensitive.getId());
        if (newSensitive == null) {
            return ResponseResult.errorResult(AppHttpCodeEnum.DATA_NOT_EXIST);
        }
        //判断铭感词是否已存在
        if (! adSensitive.getSensitives().equals(newSensitive.getSensitives())) {
            int count = count(Wrappers.<AdSensitive>lambdaQuery().eq(AdSensitive::getSensitives, adSensitive.getSensitives()));
            if (count > 0) {
                return ResponseResult.errorResult(AppHttpCodeEnum.DATA_EXIST, "该敏感词已经存在");
            }
        }
        //添加未存在的敏感词到数据库
        updateById(adSensitive);
        //返回结果
        return ResponseResult.okResult();
    }

    @Override
    public ResponseResult deleteById(Integer id) {
        //检查参数
        if (id == null) {
            return ResponseResult.errorResult(AppHttpCodeEnum.PARAM_INVALID,"id不能为空");
        }
        //根据id查询敏感词
        AdSensitive adSensitive = getById(id);
        if (adSensitive == null) {
            return ResponseResult.errorResult(AppHttpCodeEnum.DATA_NOT_EXIST);
        }
        //删除该敏感词
        removeById(id);
        //返回结果
        return ResponseResult.okResult();
    }

}
